I have vortex caps on all my rifles. I paid to have one made to try them out. I like them for general quick references out to 5-600 or so for hunting with data set for middle of the road temp and pressure I could see while out hunting.
Anyway, after getting one I decided at $10 a pop it would add up quickly. So I just worked in excel to get the sizing right and now I print up a pile of them for my friends and family that have the same scope caps and laminate them and tape them in there.
I have probably printed up $300 worth of “dope disks” now had I been buying them from vortex.
You can see the official dope disk on my 300 wsm compared my ghetto version on my 7 wsm that’s on all my other rifles as well. Not as purdy but it works.